magnesium soap
Skip itSoft demand (-44.5% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Great$18.82avg listing price — sweet spot $15–$100
Price range
Great$6.96–$62.38cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Review moat
Okay2,528.5avg incumbent reviews — the moat a new listing must climb
Competition
Bad71%top-5 click share — a locked-up shelf
Market size
Bad$33K$33K/yr · 27K searches
Growth
Bad-44.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, magnesium soap is a $33K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 42/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
magnesium soap market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $38K–$47K
- units × avg price
- Conversion rate
- 6.7%
- Avg BSR
- #1,311
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 0.0%
- Avg brand age
- 59 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 falling
Sellers
25
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
16%
- Erbaid26%
- Reveka Skincare23%
- Olivia Care13%
- Natrulo9%
- One With Nature9%
- OLLY4%
- Open — no brand owns it (6 brands, 16%)
Demand
Weekly Amazon search volume, last 20 weeks — -44.5% search growth over the last 90 days.Top magnesium soap search terms
- magnesium soap15K/yr
- magnesium soap bar6K/yr
- reveka magnesium soap6K/yr
Top magnesium soap products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Dead Sea Magnesium Soap Bar Deep Cleansing Moisturizing Body Soap for Dry Itchy and All Skin Types Shower Soap Soothes Muscles and Joints All-Natural Exfoliating Face and Body Wash Made in USA
Erbaid$6.964.5★362 rev

Reveka Skincare Magnesium Soap 4-in-1 Natural Bar for Face Body Hair & Shaving | Triple-Milled with Shea Butter | USA-Made Peppermint Soap | 4 Pack (7 oz Each)
Reveka Skincare$62.384.3★148 rev

Coconut Magnesium Organic Bar Soap - Natural Moisturizing Body Soap for Sensitive Skin - Triple Milled Soap with Coconut Oil - Plastic Free 3 Pack
Olivia Care$13.964.4★508 rev

Dead Sea Magnesium Soap Bar Deep Cleansing Moisturizing Body Soap for Dry Itchy and All Skin Types Shower Soap Soothes Muscles and Joints All-Natural Exfoliating Face and Body Wash Made in USA
Natrulo$6.964.4★325 rev

Reveka Skincare Magnesium Soap 4-in-1 Natural Bar for Face Body & Hair | Triple-Milled with Green Tea Spearmint & Eucalyptus | USA-Made | 4 Pack (7 oz Each)
Reveka Skincare$62.034.3★148 rev
Newest
by launch date
THE RUSTIC LANDS Beef Tallow Soap Bars Scented Natural Moisturizing Bar Soap Gentle Soap for Sensitive Skin Face & Body Made in USA Tallow & Magnesium Soap - 4 Pack (5 oz Each)
PROVENCE ESSENTIALS$19.88138 rev

Coconut Magnesium Organic Bar Soap - Natural Moisturizing Body Soap for Sensitive Skin - Triple Milled Soap with Coconut Oil - Plastic Free 3 Pack
Olivia Care$13.96508 rev

OLLY Revive Body Wash with Magnesium Electrolytes & Vitamin B12 Nourishing Cleanser for Skin Barrier Repair Deep Hydration Refreshing Nerolidew Scent 17 oz
OLLY$7.62819 rev

Seoul Naturals Element 12 Magnesium Soap with Lavender and Chamomile k beauty 6 oz
Seoul Naturals$7.5126 rev

Dead Sea Magnesium Soap Bar Deep Cleansing Moisturizing Body Soap for Dry Itchy and All Skin Types Shower Soap Soothes Muscles and Joints All-Natural Exfoliating Face and Body Wash Made in USA
Herblov$6.96106 rev
Trending
90-day click momentum
THE RUSTIC LANDS Beef Tallow Soap Bars Scented Natural Moisturizing Bar Soap Gentle Soap for Sensitive Skin Face & Body Made in USA Tallow & Magnesium Soap - 4 Pack (5 oz Each)
PROVENCE ESSENTIALS$19.884.7★

DEAD SEA Salt SOAP 3 PK - Shea Butter Argan Oil Magnesium Sulfur Minerals. All Skin Types Problem Skin. Acne Treatment Eczema Psoriasis Therapeutic Natural Fragrance Free 7 oz Bars
One With Nature$14.914.5★

Coconut Magnesium Organic Bar Soap - Natural Moisturizing Body Soap for Sensitive Skin - Triple Milled Soap with Coconut Oil - Plastic Free 3 Pack
Olivia Care$13.964.4★

Health & Wisdom Magnesium Bar Soap Moisturizing Body Soap - Made with Aloe & Nourishing Plant Oils and Essential Oils Gentle Cleanser for Face & Body - Lavender - 4 oz Bar - 2 Pack
Health and Wisdom$15.174.4★

OLLY Revive Body Wash with Magnesium Electrolytes & Vitamin B12 Nourishing Cleanser for Skin Barrier Repair Deep Hydration Refreshing Nerolidew Scent 17 oz
OLLY$7.624.5★
What buyers say about magnesium soap
What buyers praise and complain about, mined from review topics.What buyers love
“It has a subtle, pleasant scent”
“Nice & Creamy”
“Good lather”
“It cleans well enough”
“No complaints on the product”
“Great value”
“It makes my skin feel so good”
“Does not dry out my skin”
“Makes me feel super clean when I use it”
“Better than advertised”
What buyers complain about
“The smell was synthetic”
“I have itchy skin”
“it leaves my sensitive”
“Its a little pricey in my opinion”
“doesn't feel moisturizing”
“This soap doesn't lather up as much as most other soaps”
“Cons: very drying”
“Dishonesty about ingredients list”
“advertisements are gimmicky”
“Too small for the money”
Top return reasons
Common questions
- Is magnesium soap profitable to sell on Amazon United States?
- The niche generates $33K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -44.5%. Flapen's verdict: Skip it (42/100).
- How competitive is the magnesium soap niche?
- 12 brands and 25 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in magnesium soap?
- Top complaints mined from reviews: Smell, Allergies, Sensitivity-Overall. The return rate is 0.5%.
- What does it cost to enter the magnesium soap niche?
- Listings span $6.96–$62.38; the average listing price is $18.82 (sweet spot $15–$100). The average incumbent carries 2,529 reviews — the moat a new listing must climb.